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authorBen Skeggs <bskeggs@redhat.com>2015-08-20 14:54:17 +1000
committerBen Skeggs <bskeggs@redhat.com>2015-08-28 12:40:35 +1000
commit1de68568d69ac518db076cc6118af91e930b5f90 (patch)
tree1da6741149cc84fc05c3ad42571df363a035bacf /drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
parent524bdbf2025d44cdea672511d21012a52b427374 (diff)
downloadop-kernel-dev-1de68568d69ac518db076cc6118af91e930b5f90.zip
op-kernel-dev-1de68568d69ac518db076cc6118af91e930b5f90.tar.gz
drm/nouveau/mmu: protect each vm with its own mutex
An upcoming commit requires being able to modify the PRAMIN BAR page tables while already holding the MMU subdev mutex. To solve this issue, each VM has been given its own mutex. As a nice side-effect, this also allows separate VMs to be updated concurrently. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
index 26192b9..6fd74f1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
@@ -116,7 +116,7 @@ nv41_mmu_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
mmu->base.unmap = nv41_vm_unmap;
mmu->base.flush = nv41_vm_flush;
- ret = nvkm_vm_create(&mmu->base, 0, NV41_GART_SIZE, 0, 4096,
+ ret = nvkm_vm_create(&mmu->base, 0, NV41_GART_SIZE, 0, 4096, NULL,
&mmu->vm);
if (ret)
return ret;
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